208488840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{248201}}^1$

素因数の和:248222

約数の個数: 64

約数和(自身を含む): 714821760

約数和(自身を除く): 506332920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 248201, 496402, 744603, 992804, 1241005, 1489206, 1737407, 1985608, 2482010, 2978412, 3474814, 3723015, 4964020, 5212221, 5956824, 6949628, 7446030, 8687035, 9928040, 10424442, 13899256, 14892060, 17374070, 20848884, 26061105, 29784120, 34748140, 41697768, 52122210, 69496280, 104244420, 208488840]

約数ペア:

[(1, 208488840), (2, 104244420), (3, 69496280), (4, 52122210), (5, 41697768), (6, 34748140), (7, 29784120), (8, 26061105), (10, 20848884), (12, 17374070), (14, 14892060), (15, 13899256), (20, 10424442), (21, 9928040), (24, 8687035), (28, 7446030), (30, 6949628), (35, 5956824), (40, 5212221), (42, 4964020), (56, 3723015), (60, 3474814), (70, 2978412), (84, 2482010), (105, 1985608), (120, 1737407), (140, 1489206), (168, 1241005), (210, 992804), (280, 744603), (420, 496402), (840, 248201)]